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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T078.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Martínez-Espinoza, A. D.;
Burpee, L. L. |
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| Author Affiliation: | Department of Plant Pathology, University of Georgia, Griffin, Georgia |
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| Title: | Efficacy of fungicide programs for brown patch on bentgrass, 2008 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T078. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Disease control; Fungicide combinations; Fungicide efficacy; Fungicide evaluation; Fungicide programs; Rhizoctonia blight; Rhizoctonia solani
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "A fungicide trial was conducted on a 15-yr-old sward of creeping bentgrass grown on a sand/peat root zone (pH 6.2) at the Georgia Experiment Station. Fertilizer treatments consisted of 1.0 lb and 0.5 lb nitrogen (Lesco 24-4-10) per 1000 sq ft applied on 5 May and 8 Sep, respectively. The turfgrass was maintained at a height of 0.2-in. by mowing three times per week. The objective of the trial was to establish a management program that provides disease control and high turf quality throughout the bentgrass management year with a rotation of fungicides. Treatments were arranged as plots (3.3 ft x 5 ft) in a randomized complete block design with four replications. Initial fungicide applications were made 12 Jun. Subsequent sequential applications were made at a 14-day interval. There were 6 applications total. The last application was performed 21 Aug. Fungicides were applied using 2.5 gal of water per 1,000 sq ft with a wheel-mounted, CO2-pressured boom sprayer at 30 psi using XR TeeJet 8002VS nozzles. The turfgrass was inoculated with an autoclaved tall fescue/barley/wheat seed mixture infested with a bentgrass isolate of R. solani, 24 hr after the initial applications. The plots received approximately 0.24 in. of irrigation water daily at 15:00 and 17:00 hr to ensure foliar wetness for infection. Visual ratings were performed at 7- to 14-day intervals from the initial application date. Values were subjected to analysis of variance and means were statistically separated using Fisher's protected LDS at α=0.05. Brown patch incidence progressed rapidly reaching =70% on 8 Aug. Program #2 and #3 provided significant (α<0.05) disease suppression compared to the non-treated check. Program #2 provided the highest turf quality (data not shown)." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martínez-Espinoza, A. D., and L. L. Burpee. 2009. Efficacy of fungicide programs for brown patch on bentgrass, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T078. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T078.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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